p-Menthane-3,8-diol, also known as para-menthane-3,8-diol, PMD, or menthoglycol, is an active ingredient used in insect repellents. It smells similar to menthol and has a cooling feel. There are eight possible isomers of PMD, and the exact composition is rarely specified and is commonly assumed to be a complex mixture.

CAS：42822-86-6
中文别名：2-羟基-ALPHA,ALPHA,4-三甲基环己烷甲醇;对薄荷基-3,8-二醇;
英文别名：cis-p-menthane-3,8-diol;3,8-P-menthanediol;2-Hydroxy-Alpha,Alpha,4-trimethylcyclohexanemethanol;2-(2-hydroxypropan-2-yl)-5-methyl-cyclohexan-1-ol;para-menthane-3,8-diol;1-(2-Hydroxy-4-methylcyclohexyl)-1-methylethanol;menthane-3,8-diol;
分子式：C10H20O2
分子量：172.265
精确质量：172.146
Psa：40.46
Logp：1.5544

UNII：6T6Z1Z1NC4

密度：1.009 g/cm3
沸点：267.6ºC at 760 mmHg
折射率：1.486

海关编码：2906199090